Pocket Watch Database

From the American Horology Archive:
Rockford Grade 930 Pocket Watch

Rockford Watch Co.

Grade: 930

Manufacturer: Rockford
Manufacturer Location: Rockford, Illinois
Movement Serial Number: 512754
Grade: 930
Model: 9
Estimated Production Year: 1898
Run Quantity: 100
Grade/Model Run: 8 of 29
Grade/Model Total Production: 9,070
Size: 18s
Jewels: 17j
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Lever
Plate: Full Plate
Adjusted: Yes
Data Research: 1907 Rockford Serial List
Case: Various
Run ID: 580.930G8.18S513.189M16.O142.L442.17J96
Database Version: v52.235
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
27.30
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
279.13
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
1.413%
Registry Population: 2 (2.00%)
$ Estimated Value (12 Month Change): -17.30% Analyzing 59 Sales
Research Note: Rockford Serial Lists designate this run as Model 9. However, #512754 has been verified as move consistent with the Model 7 classification, indicating the run is likely comprised of both Model 7 and Model 9 Grade 930 movements.

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Verification Reports for this Run

The following reports have been graciously submitted by dedicated members in reference to this production run. These reports are useful to verify data and track inaccuracies that require further research. Please note that reports may contain inaccurate information or assumptions that must be dilligently considered with other available sources.


Anonymous · August 31, 2020

Serial Number 512754 was reported as inaccurate.

Note: Has a model 7 style balance bridge. Otherwise,
accurate.
Curator Response: Thanks for the report and images. I have included the information in the research notes for this run.
Rockford Grade 930 Pocket Watch